There Has Been an Accident in Bambi's Hair,a Hairdressing Salon

There has been an accident in Bambi's Hair,a hairdressing salon.A heavy air conditioning unit in the staff tea room fell from the ceiling and missed two hairdressers by a few centimetres.No one was hurt.The owner is on holidays.Jenny,the salon manager does not know whether she has a legal obligation to notify a Workplace health and Safety (WHS) regulator.Which of the following statements provides the most accurate advice?

A) You are not required to notify the regulator.This obligation only applies if there is a death,serious illness or injury in the workplace.
B) You should notify the regulator.The obligation includes situations where a person has been exposed to a serious risk.
C) You should notify the regulator.The obligation includes situations where a person has been exposed to a serious risk.The work site must not be disturbed as far as reasonably practicable.
D) You should notify the regulator.The obligation includes situations where a person has been exposed to a serious risk.You must not move the air conditioner or clean up until after there has been a WHS inspection.